Finite Group DatabasebetaFinite Group Databasebeta| order | 20864 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C29 |
| direct product | D4×#14579699 |
| Fitting | C2×C4×D4×C163 ⋊ C2 |
| Sylow | C163 ⋊ D4×#41 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C23×D163 |
| commutator, socle, cosocle | C22×C163 | C25 |
| Frattini | C22 | C24×D163 |
| Fitting | C2×C4×D4×C163 | C2 |
| hypercenter | C2×C4×D4 | D163 |
| hypocenter | C163 | D4×#41 |
| LCS | G ▷ C22×C163 ▷ C163 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C4×D4 | |
1648 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5216 |
3290 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20864, 17998);